package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static jdk.nashorn.internal.runtime.regexp.joni.Config.log;

/*
* 集中处理所有的异常
* */
@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
@RestControllerAdvice
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{},异常类型,{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>();
        List<FieldError> fieldErrors = bindingResult.getFieldErrors();
        for (FieldError item : fieldErrors) {
            errorMap.put(item.getField(),item.getDefaultMessage());
        }

        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data",errorMap);
    }
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }
}
